Blar i Institutt for elektro, IT, og kybernetikk på tidsskrift "Linköping Electronic Conference Proceedings"
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Analysing the stability of an islanded hydro-electric power system
(Journal article; Peer reviewed, 2018)Power system simulation is a large arena especially in connection with the large European power system. The challenges of large interconnected electrical power systems call for a sophisticated system modelling solution ... -
Analysis and Effect of Simulation parameters of CPFD Simulation in Fluidized Beds
(Journal article; Peer reviewed, 2018)Fluidized bed technology is broadly applied in industry due to its distinct advantages. CFD simulation of fluidized beds is still challenging compared to single-phase systems and needs extensive validation. Multiphase ... -
Averaging level control for urban drainage system
(Peer reviewed; Journal article, 2021)In the work, averaging level control using model-based control and estimation algorithm on a buffer tank system is studied. Implementation of Model Predictive Control (MPC) and Proportional-Integral (PI) control together ... -
CFD Simulation of Solidification of non-Newtonian Fluid Flowing in a Complex Geometry Pipeline in Turbulent Flow Regime
(Journal article; Peer reviewed, 2018)In this CFD (Computational Fluid Dynamics) study, the turbulent flow of a non-Newtonian fluid through an industrial scale transportation pipeline is modelled in Ansys Fluent®, with a focus on the fluid solidification due ... -
CFD Study of Particle Flow Patterns in a Rotating Cylinder Applying OpenFOAM and Fluent
(Journal article; Peer reviewed, 2017)A rotating cylinder (RC) is a common type of reactor used in the industry, the most typical example being a cement kiln. The particle flow pattern inside such a unit is necessary for the mass and energy transfer, and this ... -
Comparison of control strategies for a 2 DOF helicopter
(Journal article; Peer reviewed, 2017)The two degrees of freedom (2-DOF) helicopter is an openloop unstable multi-variable process. Various control strategies can be applied to stabilize the system for tracking and regulation problems but not all control methods ... -
Comparison of different state estimator algorithms applied to a simulated anaerobic digestion reactor
(Journal article; Peer reviewed, 2018)This study deals with a simulator-based comparison of different state estimators of an anaerobic digestion process. A simulated biogas reactor based on the AM2 model is considered. Extended Kalman Filter, Unscented Kalman ... -
Comparison of elastic vs. inelastic penstock model using OpenModelica
(Journal article; Peer reviewed, 2017)The possibility for modelling and simulating hydropower systems as accurately as possible take an important role in order to develop a control structure and to make efficient analysis tools for testing a designed controller ... -
Comparison of Linear Controllers for Nonlinear, Open-loop Unstable Reactor
(Journal article; Peer reviewed, 2018)Many industrially important reactors are operated over a regime where they exhibit nonlinear behavior. Exothermal reactors are often open-loop unstable. For such reactors, safe operation with good performance requires good ... -
Comparison of simulation tools for dynamic models
(Journal article; Peer reviewed, 2018)Macroscopic models are used extensively in process engineering, and can often be posed as DAE (Differential Algebraic Equation) models. Three generic tools for solving such DAEs are compared: OpenModelica, Julia, and MATLAB. ... -
Computational fluid dynamics study of flow depth in an open Venturi channel for Newtonian fluid
(Journal article; Peer reviewed, 2017)Open Venturi channel flow measurement could be a cheap method to be used in drill bit pressure control. The main objective of this study is to identify the factors related with the flow depth in an open Venturi channel. A ... -
Controller Design for a Magnetic Levitation Kit using OpenModelica’s Integration with the Julia Language
(Peer reviewed; Journal article, 2019)This paper presents a practical application of computer aided control systems design using a new OpenModelica API (OMJulia) which allows to conveniently operate on Modelica models from the Julia language. Julia is a rather ... -
Covering the Gap Between Advanced Control Theory Design and Real Time Implementation Using Simulink
(Journal article; Peer reviewed, 2017)New developments in sensor technology and control actuators make it viable to monitor and regulate more process variables, providing an opportunity to apply advanced multivariable control techniques. Although modern control ... -
Data-driven Modeling of Ship Motion Prediction Based on Support Vector Regression
(Journal article; Peer reviewed, 2017)This paper presents a flexible system structure to analyze and model for the potential use of huge ship sensor data to generate efficient ship motion prediction model. The noisy raw data is cleaned using noise reduction, ... -
Decision Trees for Human Activity Recognition in Smart House Environments
(Journal article; Peer reviewed, 2018)Human activity recognition in smart house environments is the task of automatic recognition of physical activities of a person to build a safe environment for older adults or any person in their daily life. The aim of this ... -
Developing protective limiters for a hydro power controller in modelica
(Peer reviewed; Journal article, 2021)In recent years the operation of electrical power plants has become more and more challenging due to a more dynamic operation pattern in order to keep the voltage quality within the limits of what the electrical network ... -
Developing Voltage Droop/Compensation Controller for a Hydro Power Controller in Modelica
(Peer reviewed; Journal article, 2022)With the introduction of unregulated renewable energy such as wind, solar and tidal power, the operation of the electrical grid has become more and more challenging. The more dynamic production pattern requires more advanced ... -
Efficient parameterization of modelica models
(Peer reviewed; Journal article, 2021)This article presents the different approaches and use cases for efficient parameterization of Modelica models by means of external data resources. The main motivation is to improve the overall quality, testability and ... -
Electrical Power System Modelling in Modelica – Comparing Open-source Library Options
(Journal article; Peer reviewed, 2017)The past modelling of electrical powers systems used to be a the domain of a few major power system modelling tools. Commercial tools1 like DIgSILENT PowerFactory [3], POWERSYS EMTP-RV [17], PSCADTM [14], Siemens PSS/E R ... -
Euler-Granular Approach for Modelling of Dilute Phase Pneumatic Conveying in a Vertical Pipe
(Journal article; Peer reviewed, 2017)In the present study, vertically upward dilute phase pneumatic conveying flow was predicted using Euler - Granular method. Three dimensional computational fluid dynamics simulations were carried out for an 8 m long and ...